Add string comparison tests.
Add string comparison tests.

Use computed string to exercise string interning code better.

slzatz/micropython,cloudformdesign/micropython,xhat/micropython,mgyenik/micropython,paul-xxx/micropython,ernesto-g/micropython,henriknelson/micropython,ericsnowcurrently/micropython,suda/micropython,supergis/micropython,infinnovation/micropython,adafruit/circuitpython,orionrobots/micropython,ahotam/micropython,neilh10/micropython,TDAbboud/micropython,Timmenem/micropython,mhoffma/micropython,noahchense/micropython,mgyenik/micropython,ChuckM/micropython,pramasoul/micropython,HenrikSolver/micropython,alex-robbins/micropython,feilongfl/micropython,dinau/micropython,warner83/micropython,turbinenreiter/micropython,emfcamp/micropython,torwag/micropython,lowRISC/micropython,swegener/micropython,torwag/micropython,praemdonck/micropython,MrSurly/micropython,redbear/micropython,firstval/micropython,tobbad/micropython,praemdonck/micropython,toolmacher/micropython,xyb/micropython,dxxb/micropython,adafruit/micropython,SHA2017-badge/micropython-esp32,adamkh/micropython,rubencabrera/micropython,xyb/micropython,MrSurly/micropython,jmarcelino/pycom-micropython,neilh10/micropython,supergis/micropython,xyb/micropython,heisewangluo/micropython,jmarcelino/pycom-micropython,hosaka/micropython,skybird6672/micropython,hosaka/micropython,jlillest/micropython,mhoffma/micropython,cwyark/micropython,misterdanb/micropython,Timmenem/micropython,tdautc19841202/micropython,tdautc19841202/micropython,methoxid/micropystat,orionrobots/micropython,blmorris/micropython,stonegithubs/micropython,MrSurly/micropython-esp32,bvernoux/micropython,adamkh/micropython,PappaPeppar/micropython,martinribelotta/micropython,pfalcon/micropython,matthewelse/micropython,tuc-osg/micropython,supergis/micropython,rubencabrera/micropython,vitiral/micropython,aethaniel/micropython,mpalomer/micropython,SHA2017-badge/micropython-esp32,cnoviello/micropython,alex-march/micropython,pfalcon/micropython,tuc-osg/micropython,puuu/micropython,PappaPeppar/micropython,supergis/micropython,deshipu/micropython,ceramos/micropython,ruffy91/micropython,firstval/micropython,skybird6672/micropython,martinribelotta/micropython,pozetroninc/micropython,galenhz/micropython,HenrikSolver/micropython,adafruit/circuitpython,ChuckM/micropython,Timmenem/micropython,ceramos/micropython,alex-march/micropython,vriera/micropython,xuxiaoxin/micropython,TDAbboud/micropython,vriera/micropython,dmazzella/micropython,noahwilliamsson/micropython,deshipu/micropython,jmarcelino/pycom-micropython,ernesto-g/micropython,kerneltask/micropython,emfcamp/micropython,ahotam/micropython,alex-robbins/micropython,ericsnowcurrently/micropython,mgyenik/micropython,ryannathans/micropython,martinribelotta/micropython,xyb/micropython,jlillest/micropython,hiway/micropython,vitiral/micropython,tobbad/micropython,SHA2017-badge/micropython-esp32,KISSMonX/micropython,danicampora/micropython,warner83/micropython,dhylands/micropython,puuu/micropython,omtinez/micropython,matthewelse/micropython,tralamazza/micropython,adamkh/micropython,selste/micropython,paul-xxx/micropython,mpalomer/micropython,adafruit/micropython,kostyll/micropython,redbear/micropython,chrisdearman/micropython,trezor/micropython,dinau/micropython,cnoviello/micropython,lbattraw/micropython,alex-robbins/micropython,misterdanb/micropython,pozetroninc/micropython,hiway/micropython,deshipu/micropython,galenhz/micropython,ganshun666/micropython,SungEun-Steve-Kim/test-mp,AriZuu/micropython,mhoffma/micropython,ceramos/micropython,PappaPeppar/micropython,trezor/micropython,kostyll/micropython,adamkh/micropython,warner83/micropython,aethaniel/micropython,slzatz/micropython,blmorris/micropython,pfalcon/micropython,aitjcize/micropython,neilh10/micropython,skybird6672/micropython,danicampora/micropython,methoxid/micropystat,hiway/micropython,oopy/micropython,infinnovation/micropython,dmazzella/micropython,jlillest/micropython,kerneltask/micropython,lbattraw/micropython,KISSMonX/micropython,alex-robbins/micropython,bvernoux/micropython,slzatz/micropython,jlillest/micropython,jmarcelino/pycom-micropython,omtinez/micropython,ericsnowcurrently/micropython,tobbad/micropython,jimkmc/micropython,blazewicz/micropython,micropython/micropython-esp32,noahwilliamsson/micropython,skybird6672/micropython,ernesto-g/micropython,stonegithubs/micropython,ryannathans/micropython,aitjcize/micropython,slzatz/micropython,Timmenem/micropython,heisewangluo/micropython,EcmaXp/micropython,omtinez/micropython,misterdanb/micropython,jlillest/micropython,PappaPeppar/micropython,tuc-osg/micropython,xhat/micropython,firstval/micropython,kostyll/micropython,dxxb/micropython,KISSMonX/micropython,alex-march/micropython,skybird6672/micropython,aethaniel/micropython,ChuckM/micropython,tralamazza/micropython,toolmacher/micropython,vriera/micropython,martinribelotta/micropython,chrisdearman/micropython,danicampora/micropython,ahotam/micropython,mianos/micropython,torwag/micropython,warner83/micropython,drrk/micropython,ruffy91/micropython,puuu/micropython,lowRISC/micropython,PappaPeppar/micropython,cnoviello/micropython,micropython/micropython-esp32,jimkmc/micropython,feilongfl/micropython,dinau/micropython,xhat/micropython,stonegithubs/micropython,tuc-osg/micropython,aitjcize/micropython,TDAbboud/micropython,rubencabrera/micropython,turbinenreiter/micropython,utopiaprince/micropython,jimkmc/micropython,AriZuu/micropython,trezor/micropython,praemdonck/micropython,cloudformdesign/micropython,micropython/micropython-esp32,Vogtinator/micropython,cloudformdesign/micropython,ernesto-g/micropython,bvernoux/micropython,xhat/micropython,tdautc19841202/micropython,methoxid/micropystat,EcmaXp/micropython,feilongfl/micropython,blmorris/micropython,vitiral/micropython,hosaka/micropython,warner83/micropython,infinnovation/micropython,ahotam/micropython,vriera/micropython,dxxb/micropython,swegener/micropython,adamkh/micropython,praemdonck/micropython,pramasoul/micropython,infinnovation/micropython,aethaniel/micropython,praemdonck/micropython,MrSurly/micropython,adafruit/micropython,galenhz/micropython,hiway/micropython,lowRISC/micropython,noahwilliamsson/micropython,jimkmc/micropython,blazewicz/micropython,ChuckM/micropython,KISSMonX/micropython,Peetz0r/micropython-esp32,dinau/micropython,suda/micropython,cnoviello/micropython,adafruit/micropython,suda/micropython,dhylands/micropython,rubencabrera/micropython,emfcamp/micropython,pozetroninc/micropython,micropython/micropython-esp32,alex-march/micropython,xyb/micropython,blazewicz/micropython,blmorris/micropython,suda/micropython,mianos/micropython,pfalcon/micropython,galenhz/micropython,noahwilliamsson/micropython,orionrobots/micropython,hiway/micropython,selste/micropython,tralamazza/micropython,EcmaXp/micropython,oopy/micropython,trezor/micropython,utopiaprince/micropython,kerneltask/micropython,tuc-osg/micropython,emfcamp/micropython,stonegithubs/micropython,selste/micropython,ganshun666/micropython,kostyll/micropython,ryannathans/micropython,MrSurly/micropython-esp32,firstval/micropython,mhoffma/micropython,blazewicz/micropython,aethaniel/micropython,Peetz0r/micropython-esp32,bvernoux/micropython,Peetz0r/micropython-esp32,toolmacher/micropython,noahchense/micropython,tobbad/micropython,mpalomer/micropython,pramasoul/micropython,SungEun-Steve-Kim/test-mp,puuu/micropython,torwag/micropython,Vogtinator/micropython,dhylands/micropython,xhat/micropython,bvernoux/micropython,heisewangluo/micropython,ruffy91/micropython,adafruit/micropython,EcmaXp/micropython,AriZuu/micropython,paul-xxx/micropython,lowRISC/micropython,turbinenreiter/micropython,xuxiaoxin/micropython,SungEun-Steve-Kim/test-mp,mpalomer/micropython,oopy/micropython,orionrobots/micropython,cwyark/micropython,dxxb/micropython,ceramos/micropython,ruffy91/micropython,utopiaprince/micropython,ganshun666/micropython,infinnovation/micropython,mgyenik/micropython,deshipu/micropython,tdautc19841202/micropython,kerneltask/micropython,oopy/micropython,adafruit/circuitpython,blmorris/micropython,heisewangluo/micropython,cwyark/micropython,tralamazza/micropython,neilh10/micropython,aitjcize/micropython,chrisdearman/micropython,dinau/micropython,ceramos/micropython,ganshun666/micropython,selste/micropython,lbattraw/micropython,matthewelse/micropython,mianos/micropython,AriZuu/micropython,ericsnowcurrently/micropython,redbear/micropython,SHA2017-badge/micropython-esp32,feilongfl/micropython,danicampora/micropython,blazewicz/micropython,emfcamp/micropython,Peetz0r/micropython-esp32,ericsnowcurrently/micropython,tdautc19841202/micropython,dhylands/micropython,drrk/micropython,omtinez/micropython,henriknelson/micropython,MrSurly/micropython-esp32,toolmacher/micropython,dxxb/micropython,AriZuu/micropython,deshipu/micropython,Vogtinator/micropython,EcmaXp/micropython,pozetroninc/micropython,cloudformdesign/micropython,ryannathans/micropython,heisewangluo/micropython,feilongfl/micropython,chrisdearman/micropython,turbinenreiter/micropython,drrk/micropython,MrSurly/micropython,rubencabrera/micropython,oopy/micropython,pramasoul/micropython,ChuckM/micropython,MrSurly/micropython,pfalcon/micropython,ahotam/micropython,selste/micropython,SungEun-Steve-Kim/test-mp,KISSMonX/micropython,misterdanb/micropython,puuu/micropython,jimkmc/micropython,danicampora/micropython,mhoffma/micropython,noahwilliamsson/micropython,galenhz/micropython,pozetroninc/micropython,pramasoul/micropython,hosaka/micropython,supergis/micropython,ganshun666/micropython,lowRISC/micropython,mianos/micropython,swegener/micropython,TDAbboud/micropython,redbear/micropython,matthewelse/micropython,mgyenik/micropython,dmazzella/micropython,SungEun-Steve-Kim/test-mp,henriknelson/micropython,MrSurly/micropython-esp32,stonegithubs/micropython,cwyark/micropython,SHA2017-badge/micropython-esp32,martinribelotta/micropython,mpalomer/micropython,toolmacher/micropython,matthewelse/micropython,henriknelson/micropython,vriera/micropython,cwyark/micropython,chrisdearman/micropython,mianos/micropython,xuxiaoxin/micropython,kerneltask/micropython,utopiaprince/micropython,neilh10/micropython,omtinez/micropython,lbattraw/micropython,utopiaprince/micropython,HenrikSolver/micropython,adafruit/circuitpython,HenrikSolver/micropython,paul-xxx/micropython,kostyll/micropython,trezor/micropython,dhylands/micropython,torwag/micropython,HenrikSolver/micropython,swegener/micropython,vitiral/micropython,orionrobots/micropython,tobbad/micropython,alex-march/micropython,henriknelson/micropython,turbinenreiter/micropython,Vogtinator/micropython,adafruit/circuitpython,drrk/micropython,ruffy91/micropython,ernesto-g/micropython,micropython/micropython-esp32,swegener/micropython,noahchense/micropython,ryannathans/micropython,Peetz0r/micropython-esp32,lbattraw/micropython,xuxiaoxin/micropython,MrSurly/micropython-esp32,dmazzella/micropython,misterdanb/micropython,slzatz/micropython,vitiral/micropython,noahchense/micropython,redbear/micropython,TDAbboud/micropython,suda/micropython,methoxid/micropystat,matthewelse/micropython,alex-robbins/micropython,firstval/micropython,jmarcelino/pycom-micropython,paul-xxx/micropython,adafruit/circuitpython,noahchense/micropython,xuxiaoxin/micropython,cnoviello/micropython,drrk/micropython,Timmenem/micropython,cloudformdesign/micropython,methoxid/micropystat,hosaka/micropython,Vogtinator/micropython